How Much Do You Need To Paint A Room. To find the area of a wall we multiply wall height by wall width. First use a paint brush to cut in 2- to 3-inch bands around the edges corners and frames of a room.
First use a paint brush to cut in 2- to 3-inch bands around the edges corners and frames of a room. Youll probably be able to paint that 4m x 5m room with one coat in 5 6 hours. With most decorators charging around 150 to 200 per day outside of London then youre total labour cost would be roughly 300 to 400.
Calculating the amount of paint you need is a relatively simple math problem.
To find the area of a wall we multiply wall height by wall width. First off you need to grab a tape measure to work out the height and width of the surface you want to paint. Calculating the amount of paint youll need. When cutting in you can try to do the entire room at one time.